Moser, Claus A., author
Heineman Education Books, 1979
Buku Teks
Rosenberg, Morris, author
Basic Books, 1968
Buku Teks
John Wiley & Sons, 2004
Buku Teks
Moser, Claus A., author
Heinemann Educational Books, 1973
Buku Teks
Moser, Claus A., author
Basic Books, 1972
Buku Teks